1999年初,株洲车辆厂组装分厂承接了铁十九局架桥机组液压系统的大修任务。该机组使用的是70年代初设计制造的铁路架桥设备,其液压缸的设计基本上都是一些旧式的或非标结构。这就造成一些易损密封件是指定厂家的非标产品,或者是已淘汰的产品系列,即难以从市场上组织配件。为此,我们经过重新设计,全部按照新的标准配件对这部分油缸 At the beginning of 1999, Zhuzhou Vehicle Factory assembly factory undertook the overhaul task of the hydraulic system of the erection bridge unit of iron nineteen stations. The unit is used in the early 70s design and manufacture of railway bridge equipment, the design of the hydraulic cylinder are basically some of the old or non-standard structure. This results in a number of delicate seals that are either non-standard or non-standard ones of the specified manufacturer, or that are difficult to organize from the market. To this end, we have been redesigned, all in accordance with the new standard parts on this part of the cylinder